Home / 1,444,419.10-2,165,343.78-685,792.54

Finding the Fourth Proportional to 1,444,419.10, 2,165,343.78 and 685,792.54

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Solution

The fourth proportional to 1,444,419.10, 2,165,343.78 and 685,792.54 is: 1,028,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,419.10 : 2,165,343.78 = 685,792.54 : x
  2. Step 2: Convert to fraction form
    1,444,419.10/2,165,343.78 = 685,792.54/x
  3. Step 3: Cross multiply
    1,444,419.10x = 2,165,343.78 × 685,792.54
  4. Step 4: Simplify right side
    1,444,419.10x = 1,484,976,600,032.68
  5. Step 5: Solve for x
    x = 1,484,976,600,032.68/1,444,419.10
  6. Step 6: Final answer
    x = 1,028,078.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.